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ds1603.h

/*
 * Dallas Semiconductors 1603 RTC driver
 *
 * Brian Murphy <brian@murphy.dk>
 *
 */
#ifndef __DS1603_H
#define __DS1603_H

struct ds_defs {
      volatile u32 *reg;
      volatile u32 *data_reg;
      u32 rst;
      u32 clk;
      u32 data;
      u32 data_read_shift;
      char data_reversed;
      u32 huge_delay;
};

extern struct ds_defs *ds1603;

void ds1603_set_trimmer(unsigned int);
void ds1603_enable(void);
void ds1603_disable(void);
void ds1603_init(struct ds_defs *);

#define TRIMMER_DEFAULT 3
#define TRIMMER_DISABLE_RTC 0

#endif

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